Diet Overlap

Haliaeetus leucocephalus (Bald Eagle)
Bubo scandiacus (Snowy Owl)

Common Diet

Urocitellus richardsonii (Richardson's ground squirrel)

Common Habitat

Acadia National Park
Alaska-St. Elias Range tundra
Alberta Mountain forests
Alberta-British Columbia foothills forests
Aleutian Islands Biosphere Reserve
Algonquin Provincial Park
Apostle Islands National Lakeshore
Arctic National Wildlife Refuge
Assateague Island National Seashore
Audubon National Wildlife Refuge
Badlands National Park
Banff National Park
Beringia lowland tundra
Beringia upland tundra
Bighorn Canyon National Recreation Area
Blackwater National Wildlife Refuge
Bonanza Creek LTER Site
British Columbia mainland coastal forests
Bruce Peninsula National Park
California Coast Ranges Biosphere Reserve
Canadian Aspen forests and parklands
Cape Breton Highlands National Park
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Romain National Wildlife Refuge
Carolinian-South Atlantic Biosphere Reserve
Cascade Mountains leeward forests
Central British Columbia Mountain forests
Central Pacific coastal forests
Central Plains Biosphere Reserve
Crater Lake National Park
Cumberland Island National Seashore
Deer Flat National Wildlife Refuge
Denali Biosphere Reserve
Dinosaur National Monument
Eastern Canadian Shield taiga
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Effigy Mounds National Monument
Elk Island National Park
Fathom Five National Marine Park
Forillon National Park
Fort Pulaski National Monument
Fraser Plateau and Basin complex
Fundy National Park
Gates of the Arctic National Park
Gateway National Recreation Area
Georgian Bay Islands National Park
Gros Morne National Park
Gulf of St. Lawrence lowland forests
Gwaii Haanas National Park Reserve
Horicon National Wildlife Refuge
Indiana Dunes National Lakeshore
Interior Yukon-Alaska alpine tundra
Ivvavik National Park
Jasper National Park
Kluane National Park and Reserve
Knife River Indian Villages National Hist. Site
Lake Superior Provincial Park
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
Mingan Archipelago National Park Reserve
Montana Valley and Foothill grasslands
Morristown National Historical Park
New England-Acadian forests
Niagara Escarpment Biosphere Reserve
Noatak Biosphere Reserve
North Central Rockies forests
Northern Canadian Shield taiga
Northern mixed grasslands
Northern Pacific coastal forests
Northern short grasslands
Northern transitional alpine forests
Ogilvie-MacKenzie alpine tundra
Okanagan dry forests
Olympic Biosphere Reserve
Ozark National Scenic Riverways
Pacific Coastal Mountain icefields and tundra
Pacific Rim National Park Reserve
Palouse grasslands
Pictured Rocks National Lakeshore
Point Pelee National Park
Point Reyes National Seashore
Prince Albert National Park
Prince Edward Island National Park
Puget lowland forests
Pukaskwa National Park
Queen Charlotte Islands
Redberry Lake Biosphere Reserve
Redwood National Park
Riding Mountain Biosphere Reserve
Rondeau Provincial Park
Roosevelt Vanderbilt National Historic Site
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Salt Plains National Wildlife Refuge
Saratoga National Historical Park
Shortgrass Steppe LTER Site
Sleeping Bear Dunes National Lakeshore
South Atlantic Coastal Plain Biosphere Reserve
Southern Great Lakes forests
Southern Hudson Bay taiga
Tawas Point State Park
Tuktut Nogait National Park
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Voyageurs National Park
Walker Bay Field Station
Wapusk National Park
Western Great Lakes forests
Wood Buffalo National Park
Wrangell-St. Elias National Park and Preserve

Attributes / relations provided by
♦ 1Spermophilus richardsonii, Gail R. Michener and James W. Koeppl, Mammalian Species No. 243, pp. 1-8, (1985)